MathematicsEasy128×since 2002Q5578If one of the lines given by 6x2−xy+4cy2=06{x^2} - xy + 4c{y^2} = 06x2−xy+4cy2=0 is 3x+4y=0,3x + 4y = 0,3x+4y=0, then ccc equals :A−3-3−3B−1-1−1C333D111Check answerSkip